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PROJECT <br />TreaTek <br />mgniMatuig <br />NUMBER <br />lireiniWp <br />- CRA <br />197-32 <br />'IMid:42!i;ivaMilmaii•ingliAMSfitinnialfiMintinOgq.loigirmilaigiogini[i <br />co MPANY <br />WELL CONSTRUCTION LOG <br />WELL NUMBER CH-1 <br />PROJECT NAME EW-4A; Extration Well Replacement DATE DRILLED August 13, 1996 <br />continued from previous page <br />E o. a BLOW COUNTS RECOVERY (% If t SAMPLE ID. EXTENT c). !GRAPHIC LOG LITHOLOGIC DESCRIPTION LLI DEPTH (ft. BGS) ---: <br />4-, . <br />u.i <br />WELL DIAGRAM <br />GP/SP-FINE GRAVEL/COARSE SAND <br />SP/SM SILT and FINE SAND Layers <br />ML/CL-SILT and CLAY Layers <br />SAND-medium and coarse grained <br />SM/CL-SILTY CLAY and CLAYEY SILT with some sand <br />layers, light gray brown, grading downward to mostly_ <br />silt <br />— <br />4 <br />iSP <br />—80---- <br />- <br />- <br />—90 <br />— <br />- <br />—95---70 <br />— <br />— <br />— <br />— <br />-100-- <br />— <br />— <br />— <br />— <br />-105-- <br />— <br />— <br />— <br />-110-- <br />— <br />— <br />— <br />H15 -- <br />— <br />_ <br />— <br />— <br />-55 <br />- <br />— <br />- <br />— <br />— <br />-65 <br />- <br />- <br />-75 <br />-80 <br />-85 <br />l <br />/ <br />1 4 <br />, 4, <br />0° <br />1 <br />/ <br />4 <br />/ <br />/ <br />/ <br />/ <br />Centralizer <br />(97' bgs) <br /> <br />1° II • • <br />V 111v <br />k . .41 <br />xX -x x .x <br />X . X <br />x <br />x <br />X ' % <br />X • <br />>< x . x . x. x x <br />' _ x _ <br />x <br />---Z <br />-x- <br />-s X X IX IX 4) >1 XI XI XIX IX IX ix IX IX IX /< )1 )1 XI XI XIX IX IX l< X IX IX IX 4, XI XI XIX IX IX p, x .x <br />x >, <br />x — <br />SM-SAND-gray brown, silty, fine grained <br />R-12 <br />__- <br />_ <br />_ <br />-90 — <br />SM-SILT and CLAYEY SILT, gray brown <br />Continued Next Page <br />PAGE 3 OF 6 WELL LATHR